How it works
Parse JSON, validate all pointers against the original document, then replace each selected value with the string [REDACTED]. The special # line redacts the entire document.
Input definitions
- JSON
- Plain text; maximum 200,000 characters.
- One existing JSON Pointer per line
- Plain text; maximum 200,000 characters.
A worked example
- JSON
- {"name":"Ada","token":"secret","profile":{"email":"[email protected]"}}
- One existing JSON Pointer per line
- /token /profile/email
Assumptions & limits
Plain text on your device, with no remote fetch. CSV input is comma-separated with unique nonempty headers, at most 1,000 rows and 50 columns; downloads escape spreadsheet formula prefixes. At most 100 paths; # alone means the whole document. No automatic detection, key removal or anonymization guarantee.
Sources & review
Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.
Method updated 2026-10-17. Content checked against the stated method and examples. Our verification approach.
Common questions
Does redacting named fields remove every secret from JSON?
No. It replaces only the explicit pointers you list. Secrets in other fields, embedded text or metadata remain; inspect the entire output before sharing.
How does Redact selected JSON fields work?
Parse JSON, validate all pointers against the original document, then replace each selected value with the string [REDACTED]. The special # line redacts the entire document.
What are the limits of Redact selected JSON fields?
Plain text on your device, with no remote fetch. CSV input is comma-separated with unique nonempty headers, at most 1,000 rows and 50 columns; downloads escape spreadsheet formula prefixes. At most 100 paths; # alone means the whole document. No automatic detection, key removal or anonymization guarantee.
How do I keep the full worksheet?
Run the tool and choose Download file. The on-page table is a preview and may show only the first 20 rows; the downloaded file contains the full result. CSV downloads escape spreadsheet formula prefixes. Inputs and files are processed on your device.